EP1552182B1 - Geneigte schraubenfedern verschiedener ausführung - Google Patents

Geneigte schraubenfedern verschiedener ausführung Download PDF

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Publication number
EP1552182B1
EP1552182B1 EP03770517A EP03770517A EP1552182B1 EP 1552182 B1 EP1552182 B1 EP 1552182B1 EP 03770517 A EP03770517 A EP 03770517A EP 03770517 A EP03770517 A EP 03770517A EP 1552182 B1 EP1552182 B1 EP 1552182B1
Authority
EP
European Patent Office
Prior art keywords
primary
coils
coil spring
spring
further characterized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03770517A
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English (en)
French (fr)
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EP1552182A4 (de
EP1552182A2 (de
Inventor
Peter Balsells
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bal Seal Engineering LLC
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Bal Seal Engineering LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bal Seal Engineering LLC filed Critical Bal Seal Engineering LLC
Publication of EP1552182A2 publication Critical patent/EP1552182A2/de
Publication of EP1552182A4 publication Critical patent/EP1552182A4/de
Application granted granted Critical
Publication of EP1552182B1 publication Critical patent/EP1552182B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F16F1/045—Canted-coil springs

Definitions

  • the present invention generally relates to canted-coil springs and more particularly, relates to canted-coil springs of various designs.
  • the force-deflection characteristics of heretofore-available garter-type axial springs have been varied by changing numerous spring parameters, including the wire size, the coil height, the coil spacing, and the front and back angles. While these parameters can be used effectively to tailor the load-deflection characteristics of the spring, they do not dominate or enable the spring to achieve its total design potential.
  • the selected disposition of the back angle and trailing portions defined thereby provides for the capability of tailoring a garter-type axially resilient coil spring beyond the range of conventional garter-type resilient coil springs heretofore known.
  • springs may be formulated with higher load-deflection characteristics. That is, the spring is able to exert a greater force in response to a given deflection than a spring having the same dimensions and wire size with a trailing portion along the inside diameter of the spring.
  • these springs can be fabricated from smaller wire and have a closer coil spacing, while still exerting the same force in response to deflection as prior art springs.
  • the present invention is related to the discovery of other parameters which can be utilized to design garter-type springs having selected load-deflection characteristics.
  • a spring in accordance with the present invention, provides operational load-deflection characteristics which may be used to advantage in the design of springs for applications heretofore not possible.
  • WO 99/49233 discloses torsional vibration damper comprising energy storing devices designed as straight pressure coil springs.
  • the energy storing devices comprise coils with smaller diameter and coils with larger diameter which alternate.
  • a coil spring in accordance with the present invention generally includes a plurality of primary wire coils and a plurality of secondary wire coils.
  • the primary and secondary wire coils are contiguous and differentiated by a dimensional size in order to provide variable force and variable deflection.
  • the primary and secondary coils may also be disposed in an eccentric manner about the spring centerline in order to tailor the variable force and variable deflection provided by the coils.
  • Various combinations of coil types may also be utilized as hereinafter discussed.
  • the secondary coils may have a smaller diameter than the diameter of the primary coils and the primary and the secondary coils may be either concentric or eccentric.
  • the coils may be canted and have various cross-sections, such as elliptical, round, rectangular, square, triangular or "D" shaped.
  • the primary and secondary coils may have differing shapes.
  • helical coils may be utilized and the secondary coils may be formed of a heavier gauge wire than the wire gauge of the primary coils.
  • the coils may have constant canting or variable canting and the primary and secondary coils may be disposed in an alternating pattern along the centerline.
  • a garter spring may be formed by joining ends of the primary and secondary coils and the primary coils and secondary coils may be disposed with a concave turn-angle within the garter spring or a convex turn-angle. Both radial and axial springs may be utilized in accordance with the present invention.
  • Figure 1A shows a garter-type spring 554 having radial primary coils 556 with axial secondary coils 558 disposed therein.
  • Figure 1B includes a side view of the spring 554 showing the manner in which the coils are positioned in a longitudinal manner.
  • Figure 2A - 2C illustrates springs 578, 586 with various positionings of primary and secondary coils.
  • Figure 3A shows a combination concave/convex turn-angle spring 590 having primary and second coils 592, 594 and Figures 3B - 3E show various end views taken along the lines indicated in Figure 3A.
  • Figure 4A shows a combination of offset radial, axial concave turn-angle and convex turn-angle spring 600 having primary and secondary coils 602, 604 as indicated in Figure 4A.
  • Figures 4B - 4E are cross-sectional views taken along the lines as indicated in Figure 4A.
  • Figures 5A - 5E show the spring 610 having round primary and secondary coils 612 and 614. This should be compared with Figures 4A - 4E in which spring 600 includes elliptical primary and secondary coils 602, 604, and a combination of radial and axial concave turn-angle and convex turn-angle.
  • Figures 5A - 5E show cross-sections of the spring 610 taken along the lines as indicated in Figure 5A.
  • Figures 6A - 6E and Figure 7 show various cross-sectional views of primary and secondary coils, which may be utilized in the hereinabove described configuration of springs.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)

Claims (10)

  1. Schraubenfeder (554; 578; 590; 600; 610), umfassend:
    eine Vielzahl erster Drahtwicklungen (556; 592; 602; 612); und
    eine Vielzahl zweiter Drahtwicklungen (558; 594; 604; 614), wobei die ersten und zweiten Wicklungen (556; 592; 602; 612; 558; 594; 604; 614) einander benachbart sind und sich voneinander durch eine Maßgröße unterscheiden, um eine variable Kraft und einen variablen Federweg bereitzustellen, wobei die Schraubenfeder (554; 578; 590; 600; 610) dadurch gekennzeichnet ist, dass die ersten und zweiten Wicklungen (556, 592; 602; 612; 558; 594; 604; 614) verbunden sind, um eine ringförmig geschlossene Feder [garter spring] zu bilden, wobei die erste Wicklung (556; 592; 602; 612) radial ist und die zweite Wicklung (558; 594; 604; 614) axial ist.
  2. Schraubenfeder nach Anspruch 1, dadurch gekennzeichnet, dass die zweiten Drahtwicklungen (558; 594; 604; 614) zwischen angrenzenden und einander benachbarten ersten Drahtwicklungen (556; 592; 602; 612) angeordnet sind.
  3. Schraubenfeder nach Anspruch 1 oder 2, weiterhin dadurch gekennzeichnet, dass die zweite Feder (558; 594; 604; 614) unter einem konkaven Drehwinkel innerhalb der ringförmig geschlossenen Schraubenfeder angeordnet ist.
  4. Schraubenfeder nach Anspruch 1 oder 2, weiterhin dadurch gekennzeichnet, dass die zweite Feder (558; 594; 604; 614) unter einem konvexen Drehwinkel innerhalb der ringförmig geschlossenen Schraubenfeder angeordnet ist.
  5. Schraubenfeder nach Anspruch 1 oder 2, weiterhin dadurch gekennzeichnet, dass wenigstens eine der ersten und zweiten Wicklungen (556; 592; 602; 558; 594; 604; 614) einen D-förmigen Querschnitt aufweist.
  6. Schraubenfeder nach Anspruch 1 oder 2, weiterhin dadurch gekennzeichnet, dass wenigstens eine der ersten und zweiten Wicklungen (556; 592; 602; 612; 558; 594; 604; 614) einen quadratischen Querschnitt aufweist.
  7. Schraubenfeder nach Anspruch 1 oder 2, weiterhin dadurch gekennzeichnet, dass wenigstens eine der ersten und zweiten Wicklungen (556; 592; 602; 612; 558; 594; 604; 614) einen rechteckigen Querschnitt aufweist.
  8. Schraubenfeder nach Anspruch 1 oder 2, weiterhin dadurch gekennzeichnet, dass wenigstens eine der ersten und zweiten Wicklungen (556; 592; 602; 612; 558; 594; 604; 614) einen dreieckigen Querschnitt aufweist.
  9. Schraubenfeder nach Anspruch 1 oder 2, weiterhin dadurch gekennzeichnet, dass wenigstens eine der ersten und zweiten Wicklungen (556; 592; 602; 612; 558; 594; 604; 614) einen Querschnitt mit planen Seiten aufweist.
  10. Schraubenfeder nach Anspruch 1 oder 2, weiterhin dadurch gekennzeichnet, dass wenigstens eine der ersten und zweiten Wicklungen (556; 592; 602; 612; 558; 594; 604; 614) V-förmig ist.
EP03770517A 2002-09-30 2003-09-29 Geneigte schraubenfedern verschiedener ausführung Expired - Lifetime EP1552182B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US41524402P 2002-09-30 2002-09-30
US415244P 2002-09-30
PCT/US2003/030504 WO2004031595A2 (en) 2002-09-30 2003-09-29 Canted coil springs various designs

Publications (3)

Publication Number Publication Date
EP1552182A2 EP1552182A2 (de) 2005-07-13
EP1552182A4 EP1552182A4 (de) 2006-01-18
EP1552182B1 true EP1552182B1 (de) 2006-12-20

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Application Number Title Priority Date Filing Date
EP03770517A Expired - Lifetime EP1552182B1 (de) 2002-09-30 2003-09-29 Geneigte schraubenfedern verschiedener ausführung

Country Status (5)

Country Link
US (1) US7055812B2 (de)
EP (1) EP1552182B1 (de)
AU (1) AU2003279006A1 (de)
DE (1) DE60310592T2 (de)
WO (1) WO2004031595A2 (de)

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CN107255128A (zh) * 2017-07-28 2017-10-17 大族激光科技产业集团股份有限公司 一种螺旋弹簧

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US4915366A (en) * 1988-04-25 1990-04-10 Peter J. Balsells Outside back angle canted coil spring
US5239737A (en) * 1990-03-20 1993-08-31 Peter J. Balsells Method for manufacturing a spring assembly
US5139243A (en) * 1990-07-30 1992-08-18 Peter J. Balsells Axial canted coil springs in sinusoidal form
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107255128A (zh) * 2017-07-28 2017-10-17 大族激光科技产业集团股份有限公司 一种螺旋弹簧

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WO2004031595A2 (en) 2004-04-15
US20040070128A1 (en) 2004-04-15
EP1552182A4 (de) 2006-01-18
US7055812B2 (en) 2006-06-06
DE60310592T2 (de) 2007-09-27
AU2003279006A1 (en) 2004-04-23
WO2004031595A3 (en) 2004-12-09
DE60310592D1 (de) 2007-02-01
EP1552182A2 (de) 2005-07-13
AU2003279006A8 (en) 2004-04-23

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